
#include "UdpServer.hpp"
#include <iostream>

// ./xxxx ip  端口  --服务器的
int main(int argc, char *argv[])
{
    EnableScreen();
    if (argc != 3)
    {
        std::cerr << "Usage : " << argv[0] << " server-ip-port " << std::endl;
        exit(0);
    }
    std::string serverip = argv[1];
    uint16_t serverport = std::stoi(argv[2]);

    int sockfd = ::socket(AF_INET, SOCK_DGRAM, 0);
    if (sockfd < 0)
        std::cerr << "create socket error" << std::endl;

    struct sockaddr_in server;
    memset(&server, 0, sizeof(server));
    server.sin_family = AF_INET;
    server.sin_addr.s_addr = inet_addr(serverip.c_str());
    server.sin_port = htons(serverport);
    while (1)
    {
        std::string line;
        std::cout << "Please Enter # ";
        std::getline(std::cin, line);
        int n = sendto(sockfd, line.c_str(), line.size(), 0, (struct sockaddr *)&server, sizeof(server));
        if (n > 0)
        {
            struct sockaddr_in temp;
            socklen_t len = sizeof(temp);
            char buffer[1024];
            int m = recvfrom(sockfd, buffer, sizeof(buffer) - 1, 0, (struct sockaddr *)&temp, &len);
            if (m > 0)
            {
                buffer[m] = 0;
                std::cout << buffer << std::endl;
            }
            else
            {
                std::cout << "recvfrom error" << std::endl;
                break;
            }
        }
        else
        {
            std::cout << "sendto error" << std::endl;
            break;
        }
    }
    ::close(sockfd);

    return 0;
}